Sock



FIG. 1 is a bottom rear left side perspective view of a sock, showing mynew design, the broken lines indicating an ankle are shown forillustrative purposes only;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom rear and left side perspective view of a secondembodiment of that shown in FIG. 1; and

FIG. 5 is a bottom plan view thereof, the top plan view being plain andunornamented.

The ornamental design for a sock, as shown and described.